Large experiment downloads timeout in UI

import Braintrust from "braintrust";
import fs from "fs";

const BRAINTRUST_API_KEY = "your-api-key";
const EXPERIMENT_ID = "your-experiment-id";
const CHUNK_SIZE = 200;

const client = new Braintrust.APIClient({ apiKey: BRAINTRUST_API_KEY });

async function exportExperiment() {
  let offset = 0;
  let allData = [];

  while (true) {
    const response = await client.experiment(EXPERIMENT_ID).fetch({
      limit: CHUNK_SIZE,
      offset: offset
    });

    if (response.length === 0) break;
    allData.push(...response);
    offset += CHUNK_SIZE;
  }

  fs.writeFileSync("experiment_data.json", JSON.stringify(allData, null, 2));
}

exportExperiment();

import braintrust
import json

BRAINTRUST_API_KEY = "your-api-key"
EXPERIMENT_ID = "your-experiment-id"
CHUNK_SIZE = 200

client = braintrust.init(api_key=BRAINTRUST_API_KEY)

all_data = []
offset = 0

while True:
    response = client.experiment(EXPERIMENT_ID).fetch(
        limit=CHUNK_SIZE,
        offset=offset
    )

    if not response:
        break

    all_data.extend(response)
    offset += CHUNK_SIZE

with open("experiment_data.json", "w") as f:
    json.dump(all_data, f, indent=2)

import braintrust
import csv

BRAINTRUST_API_KEY = "your-api-key"
EXPERIMENT_ID = "your-experiment-id"

client = braintrust.init(api_key=BRAINTRUST_API_KEY)

with open("experiment_data.csv", "w", newline="") as f:
    writer = None
    offset = 0

    while True:
        response = client.experiment(EXPERIMENT_ID).fetch(limit=200, offset=offset)
        if not response:
            break

        if writer is None:
            writer = csv.DictWriter(f, fieldnames=response[0].keys())
            writer.writeheader()

        writer.writerows(response)
        offset += 200